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Materials 2014, 7(2), 1261-1270; doi:10.3390/ma7021261

Effect of the Cu Source on Optical Properties of CuZnO Films Deposited by Ultrasonic Spraying

Department of Electro-Optical Engineering, National Taipei University of Technology, No.1, Section 3, Chung-Hsiao E. Rd., Taipei 10608, Taiwan
Author to whom correspondence should be addressed.
Received: 27 December 2013 / Revised: 17 January 2014 / Accepted: 7 February 2014 / Published: 18 February 2014
(This article belongs to the Special Issue New Energy Materials)
View Full-Text   |   Download PDF [761 KB, uploaded 18 February 2014]   |  


CuZnO (CZO) films have received considerable attention, owing to their potential applications in semiconductor devices, including gas sensors or solar cells. However, exactly how these films affect the properties of CZO films by using different Cu sources has seldom been investigated. This study demonstrates the feasibility of preparing CZO films by using different Cu sources via a simple ultrasonic spray method, in which copper nitrate and copper acetate were used as copper sources. Optical properties of CZO films prepared by copper nitrate and copper acetate were also investigated, based on transmittance and photoluminescence measurements. Additionally, the composition and the morphology of the films were investigated using the X-ray diffraction analysis and field emission scanning electron microscopy. The results of this study demonstrate that the CZO films prepared by using copper acetate exhibit better optical properties.
Keywords: CuZnO film; copper source; optical properties CuZnO film; copper source; optical properties
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hsu, C.-H.; Chen, L.-C.; Zhang, X. Effect of the Cu Source on Optical Properties of CuZnO Films Deposited by Ultrasonic Spraying. Materials 2014, 7, 1261-1270.

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